● Specifications 1) Best viewing: ≥10m 2) the best viewing angle: 120 degrees horizontal, vertical 50 degrees 3) Ambient temperature: Storage -20 ℃ ~ + 40 ℃, work -10 ℃ ~ + 40 ℃ 4) Relative Humidity: 10% ~ 90% RH ● Power Parameters 1) Operating voltage: AC220V ± 10%, 50Hz (three-phase five-wire system) 2) Screen Average power consumption: 540W / m2 3) Screen Maximum power consumption: 900W / m2 ● Control system 1) Control Panel: Lenovo open days over the host computer or the same grade 2) Operating System: WIN 98/2000 / NT / XP 3) Control: Synchronous Control 4) Graphics Card: DVI graphics 5) editing card : PCTV cards ● The main technical parameters 1) drive the device: device-specific driver with LED 2) Drive: 4 sweep, constant current drive 3) Frame rate: ≥ 200 frames / sec. 4) Refresh rate: ≥ 1400 frames / sec ( to ensure that the video screen when the camera jitter) 5) grayscale / color: red, green and blue of the 256 can display 16.7M colors 6) White balance brightness: ≥7500cd / m2 7) Brightness adjustment: Software adjustable 100 adjustable 8) video signal: PAL / NTSC 9) Video Input / Output: eight input / eight output 10) control system uses: PCTV non-linear editing card + DVI graphics card + full color control card + optical transmission 11) earth leakage: <2mA 11) MTBF: ≥10000 hours 12) Lifespan: 100,000 hours 13) Flatness: between any adjacent pixels ≤0.5mm, module splicing clearance <1mm 14) Uniformity: pixel light intensity, brightness uniformity module 15) Power Switch: Automatic Switch 16) switching power supply load: 5V / 40A 17) computer display mode: 800 × 600,1024 × 768 18) effective communication distance: ≤120m (GB UTP twisted pair, without relay ≤ 300m (multimode fiber transmission), ≤10 km (single-mode fiber transmission), ● LED display system as a system composed of LED light, electricity, sound combination of high-tech multimedia products, including the following part of the display body, computers and computer peripherals, control line audio equipment, communications systems, computer networks display the received signal from the computer, through the drive circuit, the LED dot matrix surface emitting. display by LED light-emitting devices and control circuit, the entire display from the same structure The cell plates, cell plate can be interchangeable, which will make the installation screen body maintenance, more simple, convenient display area can be based on customer requirements, by an integer number of unit boards. ● computer and peripheral equipment In the system, Screen Play of the content is produced by a computer, processing, and transmission lines to the control system via the display body. computer peripherals, such as scanners, you can enter a variety of pictures to the computer audio device display connection After the amplifier, speakers, you can play music, but also simultaneously broadcast news, information and advertising Screen achieve audio and video synchronization, the display screen body more appealing, more information sensationalism ● communication system of the present system is displayed After all computer processing, transport through the transmission line to the control circuit Screen, and then displayed on the screen body. Input of the other computer peripherals, video peripherals, audio equipment and so access to a computer, connect this line is very clear, easy to install, use and maintain. ● computer network system can be remotely controlled by a computer. Programs and hardware LED display wireless remote control system implementations, the system to a PC (personal computer), MCU (microcontroller AT89C52), wireless data transceiver chip as the core, general-purpose personal computer or through a separate human-computer switch realization of human-computer interaction data, the local controller and the controlled device communication using RF wireless remote control mode, eliminating the need for a controller with LED display is controlled electrical wiring trouble by MCU control and encoding, saving hardware costs . ● LED electronic display screen system features significantly 1. whole system all imports of plant components, the quality can be guaranteed. 2. Modular design, compact structure, installation, and maintenance. 3. all hardware, no software drivers, high-speed, reliable, direct, multi-layer software to avoid loading. The static current drive, display brightness adjustable, are stable, clear and flicker-free. 5. Using a non-linear color correction technology, excellent display, high resolution, clear graphics, smooth animation, no mosaic phenomenon. The light emitting diode using two red and one green and one blue pixel structure like imaginary, viewing angle, good light effects, high brightness and adjustable. 7. Single cable transmission: a network cable to transmit signals Screen. 8. intelligent tracking function: use the mouse to drag the power LED display area, the screen is locked. 9. Oversized load force: Send cards to 1280X1024, reception cards for 1280X512. 10. Dimmable: In addition to 256 software adjustments, the receiver board has 8 brightness adjustment interface, the display can be manually or automatically adjust the brightness. 11. Network Control: can be controlled remotely publish online any computer can switch the display to control the display, adjust the display brightness. 12. telematics: the use of advanced data transmission technology, the use of Gigabit Ethernet high-speed data communications chips, anti-static, anti-lightning, support long-distance transmission without relay, synchronous video screen communication distance of more than 100 meters, measured 130 meters . ● application characteristics Chau color LED color screen technology one, modular design, easy installation and maintenance. 2, about a third of all-aluminum construction module weighs only conventional display, but also has good weather resistance. 3. Transparent design, ventilation and lighting does not affect the rear of the screen, drag the small. 4, energy saving, without auxiliary cooling equipment, natural air cooling, no noise. 5, is more suitable for the production of large area display. 6, for the emphasis on remote viewing and transparency creative indoor and outdoor installation and design. 7, installation fast, light, ventilation, large pixel pitch, high cost. 8, bright colors, fast response, showing good results, high reliability, long life, energy saving and environmental protection; 9, the entire screen fanless design, no noise, low power consumption, can be used in a temperature range of -30 ℃ ~ 60 ℃ . 10, the screen is made into strip or grid-like, the size can be adjusted. 11, easy to produce, maintain, heat, high stability. 12, mainly used for indoor and outdoor concerts will do background, building walls, advertising screen, nightclubs, dance halls and so on. ● Chau color LED full color display technology production processes 1, insert lights: The lights led lights into the PCB above board, PCB manufacturers have a public board to sell, or you can design your own. 2, Chip: The IC, resistors, capacitors and other components attached to the driver board, high-efficiency automatic placement machine, you can manually patch. 3, mounting kit: The PCB light board and drive into plastic packages (shuttering), with a fixed pin. 4. Glue: outdoor module needs water, poured in the mold silicone shell, and put on the mask. Is a semi-finished modules. 5, the module Aging: Aging is led module color screen display performance testing, normal time is 24 hours. 6, box assembly: The modules are assembled into led color screen display cabinet, installed power, even the power cord, network cable, cable, the box is finished. 7, Screen assembly: the cabinet to be assembled into a color screen display led display, power, lighting, debugging, aging (48 hours). 8, product shipments: guide installation and commissioning. ● LED large screen repair skills 1, the entire module is not bright: the module is not connected to the power; input cable is reversed; the input and output reversed; the power of positive and negative reversed. 2, the module does not light transmission is normal: the protection circuit is damaged solutions can 74HC138 4 feet and 5 feet short circuit. 3, there is a line across the three lines is not bright: 4953 damage (damage is one). 4, every line of bright line: A signal problems, check whether there 74HC245 and 74HC138 Weld; you can use multimeter 74HC138 1 pin voltage is equal to about 2.5V, if you have to replace 74HC138; careful with the amount of ICA signal path lilies situation. 5, every second line Ryoji line: B signal problems, check whether there 74HC245 and 74HC138 Weld; you can use multimeter 74HC138 second pin voltage is equal to about 2.5V, if there is to replace 74HC138; careful with the amount of lilies ICA signals access situation. 6, the upper half of the normal lower half board full board on or off: If this is the case T08A interface, which is under 8 lines DR should check whether the data signal path, as well as the normal first replace 74HC245 then replace the first one 74HC595. 7, this half-plate and the bottom plate and the plate board STB signal CLK is common, the data is separated (if T12 is a data interface). Such as checking T08A board is to separate the upper and lower half-board inspection. 8, if the board has a light does not shine: Check Weld, replace the lamp. 9, there is bristling have four bright lights: first check whether there 74HC595 Weld; second replacement 74HC595; third replacement lamps. PH 10 outdoor full color LED display technology parameters 1-1, the module parameters: Dimensions (W × H × T) 160 mm × 160 mm × 21 mm as several types DIP346 point spacing (mm) 10 mm pixels (dots / m2) 10000 points / m2 Resolution (W × H) 16 × 16 dots 点 Weight (kg / a) 0.317 kg / a 1-2, die parameters: 1R1G1B Structure Description: each pixel using a pure red 1 a blue-green, a total of three LED light tubes. Professional analysis content analysis project a number of professional color analysis to enable analysis to achieve the best color balance effect, the brightness of the color of the LED light, there are strict requirements, including a variety of color brightness of the color ratio is: R: G: B / 3: 6: 12 Project Center wavelength brightness wafer manufacturers test conditions pure red LED 620nm - 623nm 900 / 1000mcd wafer 25 ℃, 20 mA pure green LED 522nm - 524 nm 1800 / 2000mcd wafer 25 ℃, 20 mA blue-LED 467nm - 469nm 400/440 Mcd Epistar 25 ℃, 20 mA 1-3, Screen parameters: a description of the technical indicators parameters, technical parameters 1) Best viewing distance: ≥ 10 m 2) best viewing angle: 120 degrees horizontal, vertical 50 degree 3) Ambient temperature: Storage - 20 ℃ ~ + 40 ℃, the work - 10 ℃ ~ + 40 ℃ 4) Relative Humidity: 10% ~ 90% RH 2, the power supply parameters 1) Working voltage: AC220V ± 10%, 50Hz (three-phase five-wire system) 2) Screen Average power consumption: 540 W / m2 3) Screen Maximum power consumption: 900 W / m2 3, the control system 1) Control Panel: Lenovo open days over the host computer or the same grade 2 ) Operating System: WIN 98/2000 / NT / XP 3) Control: Synchronous Control 4) Graphics Card: DVI graphics 5) editing card: PCTV card 4, the main technical parameters 1) drive the device: device-specific driver with LED 2) Drive: 4 sweep, constant current drive 3) Frame rate: ≥ 200 frames / sec. 4) Refresh rate: ≥ 1400 frames / sec (guaranteed time frame jitter in the video camera) 5) grayscale / color: red green and blue of the 256 can display 16.7M colors 6) White balance brightness: ≥ 7500 cd / m2 7) Brightness adjustment: Software adjustable 100 adjustable 8) video signal: PAL / NTSC 9) Video Input / Output: eight input / eight output 10) control system uses: PCTV non-linear editing card + DVI graphics card + full color control card + optical transmission 11) earth leakage: <2mA 11) MTBF: ≥10000 hours 12) Life: 100,000 13 hours) Flatness: between any adjacent pixels ≤0.5mm, module splicing clearance <1mm 14) Uniformity: pixel light intensity, brightness uniformity module 15) Power Switch: Automatic Switch 16) switching power supply load: 5V / 40A 17) Computer display mode: 800 × 600,1024 × 768 18) effective communication distance: ≤120m (GB UTP twisted pair, without repeaters ≤300m (multimode fiber transmission), ≤10 km (single-mode fiber transmission), 5, the software LED universal player software (MDK) 6, protection technology 1) moisture, dust, corrosion, anti-static, anti-lightning, both over-current, short circuit, overvoltage, undervoltage protection 2) Waterproof grade: IP65 7, the contents of a text file to play, WORD documents, all image files (BMP / JPG / GIF / PCX. . . ), All of the animation files (MPG / MPEG / MPV / MPA / AVI / VCD / SWF / RM / RA / RMJ / ASF ...). 8, assembled structural unit modular design, modular panel - display cabinet - display combinations assembled structure, easy assembly.